
function noiseR(x,y){
	//return oSimplexNoise.noise4(nX0 * nFrequency, nY0 * nFrequency, nZ0 * nFrequency, t*nChangeSpeed+0) * nAmplitude);
	var oSimplexNoise = new SimplexNoise();
	var x = Math.abs(oSimplexNoise.noise2(x, y));
	//alert(x);
	return x;
  }

